.com-selectBox{
    width: 180px;
}
.com-sContent{
    border: 2px solid black;
    background: white;
    font-size: 32px;
    position: relative;
    height: 60px;
    line-height: 60px;
    width: 180px
}
.com-sImg{
    position: absolute;
    right: 20px;
    top: 22px;
    width: 32px;
    height: 18px;
    transition: all .3s ease;
}
.com-sTxt{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding:0 40px 0 12px;
    font-size: 35px;
}

.com-border{
  position: absolute;
  height: 730px;
  width: 180px;
  z-index: 3;
  border-left: 1px solid black;
  border-right:  1px solid black;
  border-bottom: 1px solid black;
}

.com-sList{
    background: white;
    width: inherit;
    position: absolute;
    /* border: 1px solid black; */
    border-top: none;
    box-sizing: border-box;
    z-index: 3;
    max-height: 730px;
    /* overflow: auto; */
    overflow-y: scroll;
}

.com-sItem{
    height: 60px;
    line-height: 60px;
    /* border-top: 1px solid #e2e2e2; */
    /* border: solid  #e2e2e2 0.01rpx; */
    /* border-left: 1rpx solid black;
    border-right:  1rpx solid black; */
    padding: 0 12px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 35px;
}

.com-sItem:first-child{
    border-top: none;
}